Re: [PATCH v2 2/2] net: stmmac: dwmac-imx: set TSO/TBS TX queues default settings

[Vadim Fedorenko]

On 26/01/2024 09:10, Esben Haabendal wrote:
> TSO and TBS cannot coexist. For now we set i.MX Ethernet QOS controller to
> use the first TX queue with TSO and the rest for TBS.
>
> TX queues with TBS can support etf qdisc hw offload.
>
> Signed-off-by: Esben Haabendal <esben@xxxxxxxxxx>
> ---
>   drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
> index 8f730ada71f9..6b65420e11b5 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
> @@ -353,6 +353,10 @@ static int imx_dwmac_probe(struct platform_device *pdev)
>   	if (data->flags & STMMAC_FLAG_HWTSTAMP_CORRECT_LATENCY)
>   		plat_dat->flags |= STMMAC_FLAG_HWTSTAMP_CORRECT_LATENCY;
>   
> +	/* Default TX Q0 to use TSO and rest TXQ for TBS */
> +	for (int i = 1; i < plat_dat->tx_queues_to_use; i++)
> +		plat_dat->tx_queues_cfg[i].tbs_en = 1;
> +
>   	plat_dat->host_dma_width = dwmac->ops->addr_width;
>   	plat_dat->init = imx_dwmac_init;
>   	plat_dat->exit = imx_dwmac_exit;

Reviewed-by: Vadim Fedorenko <vadim.fedorenko@xxxxxxxxx>